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- USA
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
FMF Factory 4.1 RCT Muffler - Aluminum 042369 1821-1888The Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering moving the muffler closer to the motor to centralize mass The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
- In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
- The Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings
- RTS (Rapid Tuning System)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Great Buy for quality & price
I've bought many patio umbrellas over the past 22 years and must say this is the best yet. Not just in quality but also price. I bought the 10' & it's the perfect size for my patio, I've sat under it a couple of times in the sun & the sun never gets through to me. Plus, I'm 75 yrs. old & had it put up in about 5 minutes. Great buy
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Reviewed in the United States on September 10, 2025
★★★★★ 4
Perfect replacement for my old faded deck umbrellas
Color: Dark Purple, Size: 9ft
The dark purple color id great
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Fantastic umbrella, fantastic price
Color: Navy Blue, Size: 9ft
This umbrella is lightweight, very durable, easy to open easy to install and easy to tilt, cannot believe the quality and how great it is especially for the price
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Reviewed in the United States on October 11, 2025
★★★★★ 5
Good Quality and Color
Color: Dark Green, Size: 9ft
Very pleased with the rich deep green fabric color and scalloped design. Good sun protection and easy to open and close.
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Reviewed in the United States on April 24, 2026
★★★★★ 1
Broke upon second use
Color: Navy Blue, Size: 9ft
The umbrella never really opened right. I wasn't sure what the problem was, but today it's completely broken. The crank (which was installed incorrectly to begin with) doesn't do anything. I've only used it a couple of times, and I'm 2 days passed the return window. Very disappointing. It is nice looking though.
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Reviewed in the United States on April 25, 2026